package edu.ahut.corejava2;

import java.util.LinkedList;
import java.util.Queue;

public class TestQueue2 {

    //Queue is FIFO:(First In First Out
    public static void main(String[] args) {
      Queue<Integer> q=new LinkedList<>();
      for(int i=0;i<10;i++){
          q.offer(i);//入队 使用offer

      }
      while(!q.isEmpty()){
          System.out.println(q.peek());//队头
          q.poll();//出队操作
      }
    }
}
